fix: add --all to cargo fmt in script/test and autoformat codebase

cargo fmt without --all fails with "Failed to find targets" in
workspace repos. This was blocking every story's gates. Also ran
cargo fmt --all to fix all existing formatting issues.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

crates/bft-json-crdt/src/lww_crdt.rs

@@ -1,5 +1,5 @@
 use crate::debug::DebugView;
-use crate::json_crdt::{CrdtNode, OpState, JsonValue};
+use crate::json_crdt::{CrdtNode, JsonValue, OpState};
 use crate::op::{join_path, print_path, Op, PathSegment, SequenceNumber};
 use std::cmp::{max, Ordering};
 use std::fmt::Debug;